Frontier Airlines To Launch Five International Destinations From Atlanta International Airport To The Caribbean And Central America costa rica , Entertainment , nassau , bahamas , liberia , costa rica , san salvador , el salvador , Kingston , Jamaica , news Flight Deals: Travel To These Countries For Less Than $400 Round-Trip In March 2022 Deals , find a deal , Oranjestad , Aruba , Medellin , Colombia , Willemstad , curacao , san salvador , el salvador , Madrid , Spain Frontier Airlines Launching 20 New Routes To The Caribbean and Central America Caribbean , frontier airlines , antigua and barbuda , nassau , bahamas , Belize City , Belize , liberia , costa rica , san salvador , el salvador , Montego Bay , Jamaica , Cozumel , Mexico , Orlando , United States , news